Home / 7,198.30-9,934.17-4,011.81

Finding the Fourth Proportional to 7,198.30, 9,934.17 and 4,011.81

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Solution

The fourth proportional to 7,198.30, 9,934.17 and 4,011.81 is: 5,536.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198.30 : 9,934.17 = 4,011.81 : x
  2. Step 2: Convert to fraction form
    7,198.30/9,934.17 = 4,011.81/x
  3. Step 3: Cross multiply
    7,198.30x = 9,934.17 × 4,011.81
  4. Step 4: Simplify right side
    7,198.30x = 39,854,002.55
  5. Step 5: Solve for x
    x = 39,854,002.55/7,198.30
  6. Step 6: Final answer
    x = 5,536.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.